Greek tennis sensation Stefanos Tsitsipas won the biggest title of his career so far beating Austria’s Dominic Thiem in the final of ATP finals 2-1 sets in London.

The Greek Tenis player lost the 1st set on the tie-break 6-7 but came back on the 2nd winning by 6-2. The final set was drama, but Tsitsipas won on the tie-break 7-6.
After stunning 6-3, 6-4 Roger Federer on Saturday’s semifinal, Tsitsipas produced another fantastic performance.